Weed-cutter.



R. A. TWITCHEL.

WEED CUTTER.

APPLICATION FILED JUNE I3. 19";- 1,263,965. Patented Apr. 23,1918.

3 SHEETS-SHEET I.

Patented'Apr. 23, 1918.

3 SHEETS-SHEET 2.

B. A. TWITCHEL.

WEED CUTTER.

APPLICATION FILED JUNE Is. 1916.

1,263,965. Patented Apr. 23, 1918.

a SHEETS-SHEET a.

provided adjustable means for regulating. cutter relatively to the i cutof the weeds may y provisionof a device of this character intheifollovvmglf is a specification,

beingvhad' therein to the accompanying drawing. r y

*Thisinvent on relatesto improvements iny weed cutters ordestroyers, oneobject of the y inrentionbeing the provision of .actuatedl mechanism andmeans by? which the position of the aim-H h, ,rwironnn, or MONTREAL,vnssonan wniin-ourrnn.

1 *IApplicationfiled 111115133916."seriainaioaaes. v

of Camden and :thecutting mechanism maybe thrown into and out ofoperation surface "traversed so that a greater or 'less M b V beobtained. 1 A further object of this invention is the a means for"operate ing the countershaft which in turn drives a rotary cutter... y

With the foregolng and other objects in View, and which will appear asthe descrip-' tion proceeds,

. herein set forth.

. i 3 Figure lis atop plan v ew of the complete machine.

this invention resides in the novel arrangement and combination of partsIn the accompanying drawings Fig. 21s a bottomplan view thereof.

i Fig. 3 is a side elevation taken fromthe ri ht hand side thereof.

'g. 4 is a longitudinal section taken on- {its H of Fig. 1.

y 10 designatesthe two side members frame whichare have their forwardends 11 attached'to em- H same in the various Fig. 5 is a skeleton.perspective view of the rotary cutter carrying frame and the elevatingand lowering means therefor. Fig. 6 is a plan view of the cylinder withthe flexible beaters thereon, and

Figs. 7and 8 are-fragmentary sectional elevations ofthe clutch. f lReferring to the drawings, the-numeral preferably angle iron andbra-cethe rear end 12 of thetongue 13.

shapedaxle 13 supporting the tractor wheels Carried by the frame is theinverted U- the braces 15 being secured tothe mem- 10 andto the stubends 15' of the axle.

The cross plates or strips 16 areattached to the members transversely ofthe frame a wheel looseclutch member at will, there being j 1 twocranks33 carried by of the loosely hun sbe iae t n of fitters Patent; it23,

and to them isattached the seat supporting I member '16, while attachedto the members '10 betweensuch strips are :thejournals 17 for thecountershaft 18. ,The countershaft 18 fixed thereto the sprockets- 19over which-.are trained the sprocket chains 21, the same being alsotrained over the sprockets 22fcarried by I aclutch mechanism hereinafterfull 1 scribed. a

the tractor wheels 14'so i that motion from the latter will be impart edto said countershaft-18 vhich supports Monn'ted upon the countershaft 18is the" to beconnected to the countershaft for ro- 24, both mallyi heldin engagementby means of the spring 25 so that the loose clutch [member]will be positively; driven in one direction.

against the tension of the spring 25 when 2 which is adapted i tationthrough 'thefs'plined clutch member lutch members being formed with theusual ratchet teeth 20 1 which are nor- The throwrleverflfi 'isconnected with the "splined clutch member 24 from each other and isjheldi'n such position engaged with the rack keeper 27 on the p 1 crossstrip 16 of the frame.

Journaled in the members 10 forwardly of the 'countershaft' is thedriven which through the sprocketchain. 29' receives motion from thesprocket 30- of the tends rearwardly between the tractor wheels shaft27- which is provided with the sprocket 28 yoke 31which exi andwithinthe' supporting axle thereof. and:

has attached to the free ends the upstanding arms 32. which in turn areconnected tothe which in turn is journaled supportlng members members10, the crank. 36 being disposed in ready access tothe operatorfor'raising and" lowering the free ends of such yoke, the locking device37 bein esired adj ustments.

ments. 10';

the rock shaft 341' in the two curved 35 attached to the provided toholdthe 38 which con- Q44 moun'tedupon the driVen ShaftJ iis tranSmittedfrom the tra'c'tor i t th oug .the-'q n e f ite t ri en; h f

to "iii turn ".operateithefrbtary ciitt'e'r which icdmbinati'onfafi If'pirallelside bars, a. yoke frame'alsdinclud-f jyoke ga'itiitsgquterii5 iligla pair {if parallel :a'rms. for-med angular s rgclget 1 wheelsand. "from thel so xthaj: one Fenfd. of. the yoke;i11'clinesi re1a?- at;{the rear. end 10f the first; frame, a pair the s de arms "of said endsZagainst, 'the inner faces'rofjthelside bars of ,the first frame s "tha'twthe forward, clinej downwardly, V V iijion the side {arms end rof.said; fi'dm Oj seat,means fqrjadjustablysuspending saidv ture. V

ndear: said "yoke W111i ofsaidyoke -at the-rear v ifleepeiil sprqcket 42Which is connected by means of the* sprocketrchain 43"t0 the'larg Ieii'diiof. said frame; ag-" weeder drutnir of tractor Wheels :seclired;below said first fr'ame in linewithisaid sea t, yoke beingfulcruliiedlend means]for roteiting sald hai 's, iaclosed farms"pivotally suspendedbetween Said-side bar 115 inverted" Ushaped axleggeCilifld 1.1 9; r "said "frame and ;ter1i1in,ting'} iii-isti bf por j V"ig'may be adjustedasheretofdre describedhtogti'onsy tracjt orggw-heelsrrlolintedl upon said 7 ground for cutting weeds of; x ari'0.usi1eights;-=g7: 31-; I

iWhat I- claim ashWi loweredzp js t eeder drum.

- c'omhihdtioii; a frhmeihaving; parallel .side v yoke having angular"side stuh porti0ns,;a' pair- 0f; segmental supports secured upoiifthe'sguter egiges of the rear mounted? between the-firms: Of Said jdke;

'iipstandingfzirrhs Secured te -the fELIlIli'Of said;

illerfrom Iso, as 21:01 ide?pdsitioned; outfside.

' e m a ip'rb' r bearings having cranks] s'eured to ends 'ofesaid.upstanding arms s9 and-lower? the. sam auoperatiiigz handle on Said?Crank shaft;

. r m h m m qn een ,thearr'hs 1' 'ofsaud' yoke and V adapfi'ed tij'actuate :Said" Weeder drum. 5. and; directly below 1 saidtesti-rr 'enyend 'a'nd ls'tepp'ed'flaterally 'nism outside said-frame.controlledfibysaid 7 7 7 n-'.- jtraetorfwheelsl;Jand. driven" a Weederidrum rhountedrsaid, frame, bet- I I meansffqr-"lokingisaid?- handle adjusted:pos1ti0n, driving mecha-' er i m- V i es iez er o'tira tez g 1

